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| Q. |
A young man presents with central chest pain presumed to be associated with vasoconstriction. The most likely cause of the pain is local |
| A. | hypoxia |
| B. | decreased ATP |
| C. | increased CO2 |
| D. | catecholamines acting on alpha 1 receptors |
| E. | acetylcholine stimulation |
| Answer» A. hypoxia | |
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